CN201459179U - Three-support surface prestress stop seat mechanism of revolving furnace - Google Patents
Three-support surface prestress stop seat mechanism of revolving furnace Download PDFInfo
- Publication number
- CN201459179U CN201459179U CN2009201273443U CN200920127344U CN201459179U CN 201459179 U CN201459179 U CN 201459179U CN 2009201273443 U CN2009201273443 U CN 2009201273443U CN 200920127344 U CN200920127344 U CN 200920127344U CN 201459179 U CN201459179 U CN 201459179U
- Authority
- CN
- China
- Prior art keywords
- backing ring
- furnace shell
- seat
- converter
- furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model belongs to the technical field of metallurgical machinery, and discloses a three-support surface prestress stop seat mechanism of a revolving furnace. The mechanism mainly comprises a backing ring, a furnace shell, backing ring stop seats and a furnace shell seat, wherein the backing ring stop seats are welded on the backing ring, and the furnace shell seat is welded on the furnace shell; the upper parts of the backing ring stop seats at the two sides are connected by a pre-tightening pull rod and a connecting component and are pre-tightened towards the inner side; the furnace shell seat is clamped between the backing ring stop seats; two side contact support surfaces are arranged between the furnace shell seat and the backing ring stop seats; and a longitudinal contact cushion block is additionally arranged between the backing ring and the furnace shell seat, so that a longitudinal contact support surface is positioned between the backing ring and the furnace shell seat. The mechanism effectively limits the side play and the longitudinal elastic displacement of a furnace body inside the backing ring, improves the stability of the operation of the revolving furnace, prolongs the service life of the revolving furnace, and enhances the reliability thereof, thus being a new technology which has popularization value for the revolving furnace.
Description
Technical field
The utility model belongs to technical field of metallurgical machinery, discloses a kind of three-supporting surface prestress blocking seat mechanism of converter.
Background technology
Converter is an important nucleus equipment in the process for making equipment, and the support system that connects of converter and backing ring is a core in the converter installation, and block seat mechanism is an integral part of the connection support system of most of converter.In the converter inclining process, it cooperates with the various hanging mechanisms of converter having played the relative positioning effect of furnace shell to backing ring, and part block seat mechanism has also born the huge gravity and the motion shock load of converter body in the converter rotation process, its operating mode very severe.It is the key mechanism that is prone to safety and maintenance issues in such converter hangar system most.
Prior art is that accompanying drawing 1 is seen by a kind of converter prestress block seat mechanism (ZL200720188412.8), backing ring block seat 3 is welded on the backing ring 1, furnace shell seat 4 is welded on the furnace shell 2, the top of both sides backing ring block seat 3 connects also pretension to the inside with pretension pull bar 5 and coupling member 6, furnace shell seat 4 is clamped between the backing ring block seat 3, and furnace shell seat 4 contacts bearing surface between backing ring 1 and pretension pull bar 5 with backing ring block seat 3.Find in actual use: though the prestress block seat is being eliminated the block seat side play, improved the converter block seat security, reduced the impact in the operational process of equipment, reduce the routine maintenance of equipment, showed good characteristic; But this backing ring block seat 3 and furnace shell seat 4 only provide two sidewise restraint faces, can only eliminate near the sideshake that converter turns to 90 ° and impact.Theoretical analysis and actual detected show, since furnace shell 2, backing ring 1 and furnace shell hanging mechanism recoverable deformation, this converter is after 180 ° of reversings, backing ring block seat 3 and furnace shell seat 4 have bigger vertical relative displacement (theoretical analysis and actual detected data 8～14mm on two contact bearing surface A, depend on converter size and backing ring rigidity), this displacement steadily is deleterious to the converter operation, it can cause converter body axis longitudinal elasticity play along body of heater in backing ring 1, the wearing and tearing of aggravation contact bearing surface A, and in wear process, send abnormal sound.
The utility model content
The utility model purpose is to overcome the deficiencies in the prior art, and a kind of three-supporting surface prestress blocking seat mechanism of converter is provided.The utility model mainly is made up of backing ring, furnace shell, backing ring block seat and furnace shell seat, it is characterized in that: two backing ring block seats are welded on the backing ring, the furnace shell seat is welded on the furnace shell, the furnace shell seat is clamped between the backing ring block seat, one side direction contact cushion block is respectively arranged between furnace shell seat and backing ring block seat, vertical contact cushion block is arranged between furnace shell seat and backing ring.Can improve the stability of rotation of converter greatly after adopting the utility model, it is non-maintaining that whole converter hangar system is realized, and can improve the converter hanging mechanism and security converter integral body, is a kind of new technology that has promotional value in converter.
The utility model is realized in the following way: the backing ring block seat is welded on the backing ring, and the top of backing ring block seat is increased and is used to install pretension pull bar and coupling member, constitutes backing ring block seat prestressing mechanism; The furnace shell seat is welded on the furnace shell, by two side direction contacts of furnace shell seat cushion block, the furnace shell seat has two side direction to contact bearing surface with the backing ring block seat, between backing ring and furnace shell seat, vertical contact cushion block is installed, between backing ring and furnace shell seat, has produced vertical bearing surface that contacts; During installation, allow vertically contact bearing surface contact or keep little clearance.Vertically the validity of contact bearing surface cooperates with hanging mechanism (supporting mechanism) and produces.
Some groups of hanging mechanisms are distributed in the backing ring circumference by certain angle, and are installed in homonymy with the utility model block seat, and the ring trunnion two ends are installed by two groups of the utility model block seat mechanisms, and this position is the best installation position of this block seat mechanism from mechanical analysis.
When orthostatism, the side direction contact bearing surface of converter block seat mechanism does not stress substantially, vertically the contact bearing surface can keep in touch or little clearance and not stressing, and its load is born by hanging mechanism substantially, and this moment, backing ring had near maximum downward longitudinal elasticity displacement (distortion);
When furnace shell fascinated, the furnace shell seated connection touched bearing surface A load is passed to the backing ring block seat, and along with turning angle strengthens, the stressed of this contact surface also strengthens, fascinate 90 ° the time to furnace shell, and the stressed maximum of block seat contact surface, the stressed of hanging mechanism reduces at this moment.
When converter inclining behind certain angle, because the load in the hanging mechanism further reduces, the progressively recovery of the longitudinal elasticity displacement (distortion) of backing ring, the contact bearing surface can progressively be fitted closely and is subjected to load, especially furnace shell rotates in the time of 90～180 °, the elastic displacement of backing ring progressively be deformed into negative value to other direction; When furnace shell turn to～180 ° the time, the gravity loading of～60% furnace shell is born by the vertical contact bearing surface that vertically contacts on the cushion block, load in the hanging mechanism reduces greatly, and furnace shell in backing ring along the displacement of furnace shell axis, can be subjected to vertically contacting the constraint of the vertical contact bearing surface on the cushion block, this just reduces or has eliminated furnace shell longitudinal displacement changing of the relative positions along the furnace shell axis in backing ring, relative displacement at side direction contact bearing surface also can reduce greatly, thereby eliminate friction abnormal sound and the impact of furnace shell in rotation process, its effect is extremely good.
The furnace shell seat of every group of block seat mechanism of the utility model is welded on the furnace shell, two backing ring block seats are welded on the backing ring, in the middle of two backing ring block seats are clamped in the furnace shell seat, end at two backing ring block seats connects and pretension with pretension pull bar and coupling member, two backing ring block seats and furnace shell seat have two side direction contact surfaces, by setting up the vertical contact cushion block between backing ring and the furnace shell seat, and the furnace shell seat is done structural reinforcement in the stressed direction of contact cushion block, increased the 3rd the vertical contact surface of elasticity, it has changed the force way of block seat mechanism, the force structure and the mode of texturing of whole converter system of connections have also been improved, whole converter system has been produced the improvement of essence, at first reduce even eliminate the play of converter body vertical direction behind the employing three-supporting surface prestress blocking seat mechanism, strengthen the stationarity of the vertical direction of converter running, and the block seat prestressed structure has been eliminated the generation of block seat side play, eliminates the vibration of converter body in the backing ring horizontal direction of knowing clearly.
The utility model has been set up the direct longitudinal ligament face that contacts of a furnace shell block seat and backing ring, and this structural modification has also been optimized stressed and deformation state in the whole converter system working process.It reduces with simple method even eliminates converter body at the play of backing ring in vertical vertical direction, strengthen the stationarity of converter running, reduce the maintenance of converter installation, and effectively reduce the load and the fluctuating range of converter hanging mechanism, improving the security of converter integral body, is a kind of new technology that has promotional value in converter.
Description of drawings
Fig. 1 is the front view of prior art;
Fig. 2 hangs embodiment under of the present utility model;
Fig. 3 is upper support embodiment of the present utility model;
Fig. 4 is cooperation embodiment of the present utility model.
Among the figure, part 1 is a backing ring, and part 2 is a furnace shell, and part 3 is the backing ring block seat, and part 4 is that furnace shell seat, part 5 are furnace shell hanging mechanism for vertical contact cushion block, part 8 for side direction contact cushion block, part 9 (9-1 and 9-2) for coupling member, part 7 for pretension pull bar, part 6.
Embodiment
Be described further below in conjunction with 2,3 and 4 pairs of specific embodiment of the utility model of accompanying drawing:
Accompanying drawing 2 is to hang embodiment under of the present utility model:
Every group of backing ring block seat mechanism: backing ring block seat 3 is welded on the backing ring 1, furnace shell seat 4 is welded on the furnace shell 2, the top of both sides backing ring block seat 3 connects with pretension pull bar 5 and coupling member 6, and fastening nut produces certain preliminary tension in pretension pretension pull bar 5, furnace shell seat 4 is clamped between the backing ring block seat 3, have two place's side direction to contact cushion block 8 between furnace shell seat 4 and the backing ring block seat 3, side direction contact bearing surface A is between backing ring block seat 3 and furnace shell seat 4.
Between backing ring 1 and furnace shell seat 4, vertical contact cushion block 7 is installed, vertically contact bearing surface B between backing ring 1 and furnace shell seat 4.During installation, allow backing ring 1 to contact or the maintenance little clearance by the vertical contact bearing surface B that vertically contacts cushion block 7 with furnace shell seat 4.Vertically contact cushion block 7 quantity are at least one.
3～4 groups of furnace shell hanging mechanism 9-1 are distributed in the below of backing ring 1 by certain angle, and two groups of block seat mechanisms are installed in the backing ring 1 gudgeon two ends of furnace shell hanging mechanism 9-1 homonymy, and this position is the best installation position of this block seat mechanism from mechanical analysis.
When orthostatism, the side direction contact bearing surface A of converter block seat mechanism does not stress substantially, vertically contact bearing surface B contact or keep little clearance and do not stress substantially, its load is born by furnace shell hanging mechanism 9-1 substantially, and this moment, backing ring 1 had near maximum downward longitudinal elasticity displacement (distortion);
When furnace shell 2 fascinated left, furnace shell seat 4 passed to load on the left side backing ring block seat 3 by left side contact bearing surface A; When furnace shell 2 fascinated to the right, furnace shell seat 4 passed to load on the right backing ring block seat 3 by right side contact bearing surface A; Along with turning angle strengthens, the stressed of this side direction contact surface A also strengthens, and fascinates 90 ° the time the stressed maximum of side direction block seat contact surface A, stressed the reducing of furnace shell hanging mechanism 9-1 to furnace shell 2.
When converter inclining behind certain angle, because the load progress among the furnace shell hanging mechanism 9-1 reduces, the progressively recovery of the longitudinal elasticity displacement (distortion) of backing ring 1, vertically contact bearing surface B can progressively fit closely and progressively be subjected to load, when especially furnace shell 2 rotates 90～180 °, the longitudinal elasticity displacement of backing ring 1 progressively be deformed into negative value to other direction, at this moment, vertically the load on the contact bearing surface B can reach maximum, because vertically contact cushion block 7 is installed in the gudgeon two ends of backing ring 2 with this block seat mechanism, and furnace shell hanging mechanism 9-1 is installed in the middle part of backing ring, when furnace shell 2 turn to～gravity loading of the furnace shell 2 of 180 ° of time～60% born by the vertical contact bearing surface B on the vertical contact cushion block 7, load among the furnace shell hanging mechanism 9-1 reduces greatly, and furnace shell 2 is subjected to the constraint of the contact bearing surface B on the middle part contact cushion block 7 along the displacement meeting of furnace shell 2 axis in backing ring 1, this just reduces or has eliminated furnace shell 2 longitudinal displacement changing of the relative positions along furnace shell 2 axis in backing ring 1, relative displacement at side direction contact bearing surface A also can reduce greatly, thereby eliminates friction abnormal sound and the impact of furnace shell 2 in rotation process.When theoretical analysis shows that with the practical measurement data not installation vertically contacts cushion block 7, furnace shell 2 maximum longitudinal displacement changing of the relative positions amount along furnace shell 2 axis in backing ring 1 reaches 8～14mm, after vertical contact cushion block 7 is installed, generally can stay gap, the 1mm left and right sides, also can fill up, consider the recoverable deformation and the strained condition of furnace shell 2 and furnace shell seat 4, its this vertical changing of the relative positions amount can be controlled in 1～2mm, and its effect is extremely good.
Be to adapt to the irregular deformation of furnace shell 2 and relevant force structure, vertically contact cushion block 7 and contact cushion block 8 with side direction and also can make the sphere adaptive structure.
Fig. 3 is this upper support embodiment, and furnace shell hanging mechanism 9-2 installs backing ring block seat 3 above backing ring 1 above backing ring 1, and three-supporting surface prestress blocking seat mechanism of the present utility model is installed in the top of backing ring 1.
It should be noted that: three-supporting surface prestress blocking seat mechanism generally is installed in backing ring 1 position at two gudgeon places, its quantity is advisable with two groups, and consistent at the installation position up and down on the backing ring with furnace shell hanging mechanism 9: promptly furnace shell hanging mechanism 9 is above backing ring 1, and the utility model is installed in backing ring 1 top; Furnace shell hanging mechanism 9 is below backing ring 1, and then the utility model is installed in backing ring 1 below.
Fig. 4 is the utility model and the embodiment that cooperates of prestress block seat mechanism (ZL200720188412.8) and hanging mechanism etc.:
The prestress block seat mechanism of ZL200720188412.8 is installed above backing ring 1, and three-supporting surface prestress blocking seat mechanism of the present utility model is installed in the below of backing ring 1, and hanging mechanism 9-1 is installed in the below of backing ring 1.
The block seat of backing ring top can not adopt three bearing surface block seat mechanisms, can not produce further obviously improvement because more three bearing surface block seat mechanisms are installed.
The utility model operative constraint side play and the longitudinal elasticity displacement of body of heater in backing ring, improved the converter running stability, improve the life-span and the reliability of converter installation, be a kind of new technology that in converter, has promotional value.
The subject range of three-supporting surface prestress blocking seat mechanism is not restricted to the present patent application illustrated embodiment, and it is applicable in the converter hangar system that is cooperated with block seat by various hanging mechanisms, and its effect is consistent.
Claims (6)
1. converter three-supporting surface prestress blocking seat mechanism, mainly form by backing ring (1), furnace shell (2), backing ring block seat (3) and furnace shell seat (4), it is characterized in that: two backing ring block seats (3) are welded on the backing ring (1), furnace shell seat (4) is welded on the furnace shell (2), furnace shell seat (4) is clamped between the backing ring block seat (3), one side direction contact cushion block (8) is respectively arranged between furnace shell seat (4) and backing ring block seat (3), between furnace shell seat (4) and backing ring (1), vertical contact cushion block (7) is arranged.
2. converter three-supporting surface prestress blocking seat mechanism according to claim 1, it is characterized in that: by described side direction contact cushion block (8), there are two side direction contact bearing surface A between furnace shell seat (4) and the backing ring block seat (3), by vertical contact cushion block (7), there is vertically contact bearing surface B between furnace shell seat (4) and the backing ring (1).
3. converter three-supporting surface prestress blocking seat mechanism according to claim 1, it is characterized in that: the top of the described backing ring block seats in both sides (3) connects also pretension to the inside with pretension pull bar (5) and coupling member (6), furnace shell seat (4) is clamped between the described backing ring block seat (3), and furnace shell seat (4) contacts bearing surface A between backing ring block seat (3) and furnace shell seat (4) with the side direction of described backing ring block seat (3).
4. converter three-supporting surface prestress blocking seat mechanism according to claim 1 is characterized in that: described vertical contact cushion block (7) contacts cushion block (8) and is the sphere adaptive structure with described side direction.
5. converter three-supporting surface prestress blocking seat mechanism according to claim 1 is characterized in that: described vertical contact cushion block (7) quantity is at least one.
6. converter three-supporting surface prestress blocking seat mechanism according to claim 1 is characterized in that: described two backing ring block seats (3) are installed on backing ring (1) surface at two gudgeon places, and consistent with the up and down installation position of furnace shell hanging mechanism (9) on backing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273443U CN201459179U (en) | 2009-05-18 | 2009-05-18 | Three-support surface prestress stop seat mechanism of revolving furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201273443U CN201459179U (en) | 2009-05-18 | 2009-05-18 | Three-support surface prestress stop seat mechanism of revolving furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201459179U true CN201459179U (en) | 2010-05-12 |
Family
ID=42386533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201273443U Expired - Lifetime CN201459179U (en) | 2009-05-18 | 2009-05-18 | Three-support surface prestress stop seat mechanism of revolving furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201459179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638710B (en) * | 2009-05-18 | 2011-08-17 | 中冶赛迪工程技术股份有限公司 | Three-supporting surface prestress blocking seat mechanism of converter |
-
2009
- 2009-05-18 CN CN2009201273443U patent/CN201459179U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638710B (en) * | 2009-05-18 | 2011-08-17 | 中冶赛迪工程技术股份有限公司 | Three-supporting surface prestress blocking seat mechanism of converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101638710B (en) | Three-supporting surface prestress blocking seat mechanism of converter | |
| CN102352906A (en) | Free-film type anti-inclination air spring | |
| CN203294985U (en) | Elevator guide shoe with deviating prevention clamping plates | |
| CN204917568U (en) | Prevent safety device that hauler turned on one's side | |
| CN201459179U (en) | Three-support surface prestress stop seat mechanism of revolving furnace | |
| CN101562367B (en) | Roller motor assembly | |
| CN201141034Y (en) | Pre-stress block seat mechanism of revolving furnace | |
| CN201202090Y (en) | Shock mount | |
| CN201592334U (en) | Guide device for mounting connecting rod of piston of engine | |
| CN104859396A (en) | Steel plate spring cover plate structure | |
| CN201435645Y (en) | Electric machine shock-absorbing device | |
| CN208417761U (en) | A kind of fastening pipe clamp | |
| CN205401563U (en) | Brake pad structure | |
| CN205008055U (en) | Stability of ball -milling is improved ball mill | |
| CN204641308U (en) | A kind of plate spring cover board structure | |
| CN216343595U (en) | Variable-cross-section type leaf spring | |
| CN201816445U (en) | Limit shock pad for automobile engine | |
| CN201792969U (en) | Upper connector assembly of rear suspension shock absorber of motorcycle | |
| CN201350908Y (en) | Locomotive traction pin device | |
| CN204025482U (en) | Variable-section steel sheet spring | |
| CN201371722Y (en) | Automotive damper component | |
| CN108466929A (en) | A kind of crane guide roller | |
| CN205008054U (en) | Automatic edulcoration ball mill | |
| CN212337967U (en) | Camshaft support for automobile | |
| CN209409735U (en) | A kind of vehicle and its swinging arm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090518 |